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Mock exam questions

 
Senthil Kumar N
Greenhorn
Posts: 19
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Hi

The question from Jwebplus

<%
request.setAttribute("names", new String[]{ "A", "B", "C" } );
request.setAttribute("index", "1");
%>
<h1><!-- insert code here --></h1>
Which of the following statements will print B in inserted in the above JSP page?

Select 3 correct options
a ${names.1}
b ${names[1]}
c ${names.index}
d ${names[index]}
e ${names.$index}
f ${names[$index]}

ans given is b,c,d

while I try the code for ${names[1]} and d ${names[index]} i am getting the expected result but for ${names.index} i am getting the error message as

" The "." operator was supplied with an index value of type "java.lang.String" to be applied to a List or array, but that value cannot be converted to an integer. "

Can anybody tell what are the correct option for this questions?

Thanks
 
Narendra Dhande
Ranch Hand
Posts: 951
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Hi,

Option "C" is incorrect. The . operator require Map or JavaBean at the left side. The right hande side should be the Map key or Bean Property.

Thanks
 
Don't get me started about those stupid light bulbs.
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